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nguyenkimphilong
2 năm trước
Cho các thí nghiệm sau (1) cho Fe vào dd H2SO4 đặc nguội (2) cho Al vào dd NaOH loãng (3) cho Cu vào Fe(NO3)3 (4) cho Na vào H2O Thí nghiệm nào sau đây không xảy ra ở điều kiện thường? Giải thích
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Grammar Simple Present 5 Complete the questions and then answer them, as in the examples. 5 your mom / like / go jogging? 1 you / wear / glasses? > Do you wear glasses? Yes, I do./No, I don't. 2 your sister / like / go shopping? > Does your sister like to go shopping? Yes, she does./No, she doesn't. 6 you / help / your mother with the housework? 7 your grandfather / watch / football on TV? 3 your dad / get up / early in the morning? 8 your grandmother / watch / soap operas? 4 your brother / meet / friends on Sundays? Adverbs of frequency 6. Look at the table and make sentences about Ross, as in the examples. 1 go jogging in the morning (always) 2 not start his day with a big breakfast (usually) 3 be late for school (never) > Ross always goes jogging in the morning. > Ross doesn't usually start his day with a big breakfast. 2 3 4 take a nap after lunch (sometimes) 5 do his homework in the afternoon (often) 4. 6 watch his favorite TV show in the evening (always) 7 not surf the Net (often) 8 not go to bed late (usually) 8 7 Complete the sentences so that they are true for you. 1 On Mondays, I always 2 At school, I often 3 On weekends, I usually. 4 In the winter, I never 5 In the summer, I sometimes

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